Wet Clutch Slippage After Oil Change - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 2 (permalink) Old 03-10-2009, 04:29 PM Thread Starter
Join Date: Mar 2009
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Wet Clutch Slippage After Oil Change

Hello everyone.

I have a 96 Suzuki Intruder 1400.

My Intruder came from the previous owner with a half synthetic mix in it. I wanted to put conventional in it so I asked my Suz dealer if it would slip the clutch. He stated you can go from half-syn to conventional okay, but if you had full syn, you couldn't switch back to conv.

So I did the switch and now I have slippage in what appears to be first gear only. And it only slips is I somewhat crank the accelerator. A normal start from a dead stop will not slip the clutch. But if I gun it, it will slip.

I can't do it in the other gears.

I also don't seem to be able to do it after the bike warms up.

The unknown is, I don't know if this was like it before the only change because I never tried to gun it.

So two main questions: How do I fix it? Should I switch back to a conv/syn mix or should I do another conv oil change to more fully purge any syn that is still in the case?

Or, should I just leave it alone? Doesn't seem to be affecting anything during normal riding.

Thanks, all!
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post #2 of 2 (permalink) Old 03-16-2009, 08:19 AM
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Join Date: Dec 2007
Posts: 87
If you are going to use "conventional" oil, turn the bottle around and look for the circle on the back. If it says "energy conserving" you do not want to use it for your moto. The "energy conserving" oils have additives that will cause clutch slippage.

Maybe the clutch in your bike just needs to be replaced
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